Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Income Tax Disclosure [Abstract]
Balance at November 1	$ 30.5us-gaap_UnrecognizedTaxBenefits	$ 55.9us-gaap_UnrecognizedTaxBenefits	$ 86.0us-gaap_UnrecognizedTaxBenefits
Increases in tax positions for prior years	5.7	4.5	9.9
Decreases in tax positions for prior years	(8.2)	(11.0)	(11.0)
Increases in tax positions for current years	10.3	8.8	10.4
Settlements with taxing authorities	(0.6)	(30.3)	(32.5)
Lapse in statute of limitations	(0.8)		(0.3)
Currency translation	(2.6)		(6.6)
Currency translation		2.6
Balance at October 31	$ 34.3us-gaap_UnrecognizedTaxBenefits	$ 30.5us-gaap_UnrecognizedTaxBenefits	$ 55.9us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

+ References

No definition available.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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-Name Accounting Standards Codification

-Topic 740

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from foreign currency translation.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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